FR867831A - Switching systems for teleprinter and analog circuits - Google Patents

Switching systems for teleprinter and analog circuits

Info

Publication number
FR867831A
FR867831A FR867831DA FR867831A FR 867831 A FR867831 A FR 867831A FR 867831D A FR867831D A FR 867831DA FR 867831 A FR867831 A FR 867831A
Authority
FR
France
Prior art keywords
teleprinter
analog circuits
switching systems
switching
systems
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR867831A publication Critical patent/FR867831A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/06—Answer-back mechanisms or circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Relay Circuits (AREA)
FR867831D 1940-03-26 1940-11-28 Switching systems for teleprinter and analog circuits Expired FR867831A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US325942A US2289746A (en) 1940-03-26 1940-03-26 Teletypewriter "answer back" circuit

Publications (1)

Publication Number Publication Date
FR867831A true FR867831A (en) 1941-11-29

Family

ID=23270097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867831D Expired FR867831A (en) 1940-03-26 1940-11-28 Switching systems for teleprinter and analog circuits

Country Status (2)

Country Link
US (1) US2289746A (en)
FR (1) FR867831A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2690474A (en) * 1949-05-19 1954-09-28 Western Union Telegraph Co Time and date transmitter
US2878306A (en) * 1956-03-21 1959-03-17 American Telephone & Telegraph Teletypewriter testing system
US3048822A (en) * 1958-04-28 1962-08-07 Paramount Pictures Corp Multiple station recording system
GB1351373A (en) * 1971-09-16 1974-04-24 Creed Co Ltd Telegraph printing apparatus

Also Published As

Publication number Publication date
US2289746A (en) 1942-07-14

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